1. Ishidi likhihliza amagwebu
(1) Ukushisa ngokushesha kakhulu. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Yehlisa izinga lokushisa le-heater ngendlela efanele.
② Yehlisa isivinini sokushisisa ngendlela efanele.
③ Khulisa ngokufanelekile ibanga phakathi kweshidi ne-heater ukuze i-heater iqhelelane neshidi.
(2) Ukushisisa okungalingani. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Lungisa ukusatshalaliswa komoya oshisayo nge-baffle, ihood yokusabalalisa umoya noma isikrini ukuze wenze zonke izingxenye zeshidi zishise ngokulinganayo.
② Hlola ukuthi i-heater nenethi evikelayo konakele yini, bese ulungisa izingxenye ezilimele.
(3) Ishidi limanzi. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Yenza ukwelashwa ngaphambi kokoma. Isibonelo, ishidi le-polycarbonate elingu-0.5mm eliwugqinsi lizomiswa ekushiseni kuka-125-130 ngo-1-2h, futhi ishidi eliwugqinsi elingu-3mm lizomiswa amahora angu-6-7; Ishidi elinogqinsi lwe-3mm lizomiswa ekushiseni kwama-80-90 ku-1-2h, futhi ukubunjwa okushisayo kuzokwenziwa ngokushesha ngemva kokumiswa.
② Shisisa ngaphambili.
③ Shintsha imodi yokushisisa ibe ukushisisa okunezinhlangothi ezimbili. Ikakhulukazi uma ubukhulu beshidi bungaphezu kuka-2mm, kufanele bushiswe nhlangothi zombili.
④ Ungawavuli amaphakheji eshidi avikela umswakama kusenesikhathi. Izokhishwa futhi yakheke ngokushesha ngaphambi kokwakheka okushisayo.
(4) Kunamabhamuza eshidini. Izimo zenqubo yokukhiqiza yeshidi kufanele zilungiswe ukuze kuqedwe amabhamuza.
(5) Uhlobo lweshidi olungalungile noma ukwakheka. Izinto zeshidi ezifanele kufanele zikhethwe futhi ifomula kufanele ilungiswe ngokufanele.
2. Izinyembezi zeshidi
(1) Idizayini yesikhunta imbi, futhi i-arc radius esekhoneni incane kakhulu. I-radius ye-arc yokushintsha kufanele ikhuliswe.
(2) Izinga lokushisa lokushisa liphezulu kakhulu noma liphansi kakhulu. Uma izinga lokushisa liphezulu kakhulu, isikhathi sokushisa sizoncishiswa ngokufanelekile, izinga lokushisa lokushisa lizoncishiswa, ukushisa kufanele kube okufanayo futhi kuhambe kancane, futhi umoya ocindezelweyo opholile kancane uzosetshenziswa; Lapho izinga lokushisa liphansi kakhulu, isikhathi sokushisa sizokwandiswa ngokufanele, izinga lokushisa lokushisa lizokwenyuka, ishidi lizoshiswa futhi lishiswe ngokulinganayo.
3. Ukushaja kweshidi
(1) Izinga lokushisa lokushisa liphezulu kakhulu. Isikhathi sokushisa kufanele sifinyezwe ngokufanelekile, izinga lokushisa le-heater lizoncishiswa, ibanga phakathi kwe-heater neshidi lizokwenyuswa, noma indawo yokukhosela izosetshenziselwa ukuhlukaniswa ukuze ishidi lishise kancane.
(2) Indlela yokushisa engafanele. Lapho wenza amashidi aminyene, uma ukufudumeza kohlangothi olulodwa kwamukelwa, umehluko wokushisa phakathi kwezinhlangothi ezimbili mkhulu. Lapho ingemuva lifinyelela izinga lokushisa elikhulayo, ingaphambili liye lashiswa ngokweqile futhi lashiswa. Ngakho-ke, kumashidi anobukhulu obukhulu kuno-2mm, indlela yokushisa ezinhlangothini zombili kufanele yamukelwe.
4. Ukugoqa kweshidi
(1) Ishidi lishisa kakhulu. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Nciphisa isikhathi sokushisisa kahle.
② Yehlisa izinga lokushisa lokushisa ngendlela efanele.
(2) Izinga lokuncibilika kwempahla eluhlaza liphezulu kakhulu. Izinga lokuncibilika eliphansi kufanele lisetshenziswe ngokusemandleni ngesikhathi sokukhiqiza
Noma uthuthukise ngokufanelekile isilinganiso somdwebo weshidi.
(3) Indawo ye-thermoforming inkulu kakhulu. Izikrini nezinye izihlangu zizosetshenziselwa ukushisa ngokulinganayo, futhi ishidi lingashisisa
Ukushisa okuhlukile kwendawo ukuvikela ukushisa ngokweqile nokuwa endaweni emaphakathi.
(4) Ukushisisa okungalingani noma izinto zokusetshenziswa ezingaguquki kuholela ekugoqekeni okuncibilika okuhlukile kweshidi ngalinye. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Amapuleti okusabalalisa umoya asethwa kuzo zonke izingxenye zehitha ukuze enze umoya oshisayo usabalaliswe ngokulinganayo.
② Inani nekhwalithi yezinto ezigaywe kabusha eshidini kuzolawulwa.
③ Ukuxuba izinto zokusetshenziswa ezahlukene kufanele kugwenywe
Izinga lokushisa lokushisisa ishidi liphezulu kakhulu. Izinga lokushisa lokushisa nesikhathi sokushisa kuzoncishiswa kahle, futhi i-heater nayo ingagcinwa kude neshidi,
Shisisa kancane. Uma ishidi lishiswa ngokweqile endaweni, ingxenye eshisiwe kakhulu ingambozwa ngenetha elivikelayo.
5. Ukugeleza kwamanzi angaphezulu
(1) Izinga lokushisa le-booster plunger liphansi kakhulu. Kufanele ithuthukiswe ngendlela efanele. Ingaphinde isongwe ngepulangwe yokusiza ngokhuni noma ngendwangu yoboya bekotini kanye nengubo yokulala
Plunger ukuze ufudumale.
(2) Izinga lokushisa lesikhunta liphansi kakhulu. Izinga lokushisa lokuphulukisa leshidi lizonyuswa ngokufanele, kodwa akumele lidlule izinga lokushisa lokuphulukisa leshidi.
(3) Ukupholisa okungalingani. Ipayipi lamanzi okupholisa noma usinki kufanele kwengezwe, futhi uhlole ukuthi ipayipi lamanzi livaliwe yini.
(4) Izinga lokushisa leshidi liphezulu kakhulu. Izoncishiswa kahle, futhi indawo yeshidi ingapholiswa kancane ngomoya ngaphambi kokwakhiwa.
(5) Ukukhetha okungalungile kwenqubo yokwenza. Ezinye izinqubo zokwakha zizosetshenziswa.
6. Amabala angaphezulu namabala
(1) Indawo engaphezulu yesikhunta iphezulu kakhulu, futhi umoya uvaleleke endaweni ebushelelezi, okuholela kumachashaza endaweni yomkhiqizo. Uhlobo lokubhekana
Ubuso bomgodi kuqhunyiswa isihlabathi, futhi izimbobo ezengeziwe zokukhipha i-vacuum zingengezwa.
(2) Ukuphunyuka kabi. Imigodi yokukhipha umoya iyongezwa. Uma izinduna zenzeka engxenyeni ethile kuphela, hlola ukuthi imbobo yokumunca ivinjiwe yini
Noma engeza izimbobo zokukhipha umoya kule ndawo.
(3) Lapho kusetshenziswa ishidi eliqukethe i-plasticizer, i-plasticizer inqwabelana endaweni yokufa ukuze yakhe amabala. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Sebenzisa isikhunta esinezinga lokushisa elilawulekayo futhi ulungise izinga lokushisa lesikhunta ngendlela efanele.
② Lapho ushisisa ishidi, isikhunta sizoba kude neshidi ngangokunokwenzeka.
③ Nciphisa isikhathi sokushisa ngendlela efanele.
④ Hlanza isikhunta ngesikhathi.
(4) Izinga lokushisa lesikhunta liphezulu kakhulu noma liphansi kakhulu. Izolungiswa ngendlela efanele. Uma izinga lokushisa lesikhunta liphezulu kakhulu, qinisa ukupholisa futhi unciphise izinga lokushisa lesikhunta; Uma izinga lokushisa lesikhunta liphansi kakhulu, izinga lokushisa lesikhunta lizonyuswa futhi isikhunta sifakwe insulated.
(5) Ukukhetha okungalungile kwempahla yokufa. Lapho ucubungula amashidi asobala, ungasebenzisi i-phenolic resin ukwenza isikhunta, kodwa isikhunta se-aluminium.
(6) Indawo engaphansi ilukhuni kakhulu. Ingaphezulu le-cavity lizopholishwa ukuze kuthuthukiswe indawo engaphezulu.
(7) Uma ingaphezulu leshidi noma isikhunta lingahlanzekile, ukungcola okungaphezulu kweshidi noma isikhunta kuzosuswa ngokuphelele.
(8) Kukhona imihuzuko ebusweni beshidi. Ingaphezulu leshidi lizopholishwa futhi ishidi lizogcinwa ngephepha.
(9) Okuqukethwe wuthuli emoyeni wendawo yokukhiqiza kuphezulu kakhulu. Indawo yokukhiqiza kufanele ihlanzwe.
(10) Umthambeka wokubhidliza isikhunta mncane kakhulu. Kufanele yandiswe ngendlela efanele
7. Umbala ophuzi noma ushintsha umbala
(1) Izinga lokushisa leshidi liphansi kakhulu. Isikhathi sokushisa sizonwetshwa ngendlela efanele futhi izinga lokushisa lokushisa lizokwenyuka.
(2) Izinga lokushisa leshidi liphezulu kakhulu. Isikhathi sokushisisa nezinga lokushisa kufanele kufinyezwe ngokufanelekile. Uma ishidi lishise kakhulu endaweni, lizobhekwa
Hlola ukuthi i-heater efanele ayilawuleki yini.
(3) Izinga lokushisa lesikhunta liphansi kakhulu. Ukushisa nokushisa okushisayo kufanele kwenziwe ukuze kwandiswe kahle izinga lokushisa lesikhunta.
(4) Izinga lokushisa le-booster plunger liphansi kakhulu. Izoshiswa ngendlela efanele.
(5) Ishidi leluliwe ngokweqile. Kuzosetshenziswa ishidi eliwugqinsi noma ishidi elineductility engcono futhi amandla aphakeme aqinile azoshintshwa, nalo elingadlula.
Lungisa ukufa ukuze unqobe lokhu kwehluleka.
(6) Ishidi liphola ngaphambi kwesikhathi ngaphambi kokuba lakhiwe ngokugcwele. Ijubane lesikhunta somuntu kanye nesivinini sokuphuma kweshidi kuzokwenyuswa ngokufanelekile, futhi isikhunta sizofaneleka
Lapho kugcinwa ukushisa, i-plunger kufanele ifudunyezwe kahle.
(7) Idizayini yesakhiwo sokufa esingafanele. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Dizayina ngokunengqondo indawo yokudilika. Ngokuvamile, akudingekile ukuklama ukuthambekela kokudiliza ngesikhathi sokwakhiwa kwesikhunta sowesifazane, kodwa ukuklama ezinye izindawo kuvumela ukushuba kodonga olufanayo lomkhiqizo. Lapho kwakhiwa isikhunta sowesilisa, amashidi e-styrene kanye ne-PVC eqinile, i-demoulding slope engcono kakhulu imayelana ne-1:20; Kumashidi e-polyacrylate nawe-polyolefin, umthambeka obhidlizayo ungcono kakhulu kuno-1:20.
② Khulisa ngokufanelekile irediyasi yefillet. Lapho emaphethelweni nasemaceleni omkhiqizo kudinga ukuqina, indiza ethambekele ingashintsha i-arc eyindilinga, bese indiza ethambekele ixhunywe nge-arc encane eyindilinga.
③ Yehlisa ukujula kokwelula ngokufanele. Ngokuvamile, ukujula kokuqina komkhiqizo kufanele kucatshangelwe ngokuhambisana nobubanzi bawo. Uma indlela ye-vacuum isetshenziswa ngokuqondile ekubumbeni, ukujula okuqinile kufanele kube ngaphansi noma kulingane nengxenye yobubanzi. Uma kudingeka umdwebo ojulile, indlela yokwenza i-plunger esiza ukucindezela noma ukushelela kwe-pneumatic izosetshenziswa. Ngisho nangalezi zindlela zokwakha, ukujula kwe-tensile kuzokhawulwa kube ngaphansi noma kulingane nobubanzi.
(8) Kusetshenziswa izinto ezigaywe kabusha eziningi kakhulu. Umthamo wayo kanye nekhwalithi kuzolawulwa.
(9) Ifomula yempahla eluhlaza ayihlangabezani nezimfuneko ze-thermoforming. Idizayini yokubunjwa kufanele ilungiswe kahle lapho kwenziwa amashidi
8. Ishidi ukugoba nokushwabana
(1) Ishidi lishisa kakhulu. Isikhathi sokushisisa sizofinyezwa ngendlela efanele futhi izinga lokushisa lokushisa liyoncishiswa.
(2) Amandla okuncibilika kweshidi aphansi kakhulu. I-resin enezinga eliphansi lokuncibilika kokuncibilika izosetshenziswa ngangokunokwenzeka; Thuthukisa kahle ikhwalithi yeshidi ngesikhathi sokukhiqiza
Isilinganiso se-tensile; Ngesikhathi sokwakhiwa okushisayo, izinga lokushisa eliphansi lokwakheka lizokwamukelwa ngokusemandleni.
(3) Ukulawulwa okungalungile kwesilinganiso somdwebo ngesikhathi sokukhiqiza. Izolungiswa ngendlela efanele.
(4) I-extrusion direction yeshidi ihambisana nesikhala sokufa. Ishidi lizozungeziswa ngamadigri angama-90. Uma kungenjalo, lapho ishidi leluliwe eduze kwesiqondiso se-extrusion, lizobangela ukuqondiswa kwamangqamuzana, angakwazi ukususwa ngokuphelele ngisho nangokufudumeza kokubumba, okuholela ekushwabaneni kweshidi nokuguqulwa.
(5) Isandiso sendawo yasendaweni seshidi eliphushwe i-plunger kuqala sidlulele noma idizayini ye-die ayilungile. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Yakhiwa isikhunta sesifazane.
② Engeza izinsiza zokucindezela njenge-plunger ukuze wenze imibimbi isicaba.
③ Khulisa i-taper ne-fillet radius yomkhiqizo ngokusemandleni akho.
④ Sheshisa ngokufanelekile isivinini sokunyakaza se-plunger yosizo lwengcindezi noma ufe.
⑤ Idizayini enengqondo yohlaka kanye ne-pressure aid plunger
9. Ukuguqulwa kwe-Warpage
(1) Ukupholisa okungalingani. Ipayipi lamanzi okupholisa lesikhunta lizongezwa, futhi uhlole ukuthi ipayipi lamanzi okupholisa livinjiwe yini.
(2) Ukusatshalaliswa kokuqina kodonga okungalingani. Idivayisi yosizo lwe-pre stretching ne-pressure aid kufanele ithuthukiswe futhi i-plunger yokusiza ukucindezela kufanele isetshenziswe. Ishidi elisetshenziselwa ukwakha kufanele libe likhulu futhi libe mncane
Ukushisa okufanayo. Uma kungenzeka, idizayini yesakhiwo somkhiqizo izolungiswa ngokufanelekile, futhi iziqini zizosethwa endizeni enkulu.
(3) Izinga lokushisa lesikhunta liphansi kakhulu. Izinga lokushisa lesikhunta kufanele linyuswe ngokufanelekile libe ngaphansi kancane kunokushisa kweshidi lokuphulukisa, kodwa izinga lokushisa lesikhunta akufanele libe phezulu kakhulu, ngaphandle kwalokho.
I-shrinkage inkulu kakhulu.
(4) Ukubhidliza kusenesikhathi. Isikhathi sokupholisa kufanele sengezwe ngokufanele. Ukupholisa komoya kungasetshenziswa ukusheshisa ukupholisa kwemikhiqizo, futhi imikhiqizo kufanele ipholiswe
Kuphela uma izinga lokushisa lokwelapha leshidi lingezansi, lingadilizwa.
(5) Izinga lokushisa leshidi liphansi kakhulu. Isikhathi sokushisa sizonwetshwa ngokufanelekile, izinga lokushisa lokushisa lizokwenyuka futhi ijubane lokuphuma lizosheshiswa.
(6) Ukwakheka kwesikhunta okungekuhle. Idizayini izoshintshwa. Isibonelo, ngesikhathi sokwakhiwa kwe-vacuum, inani lezimbobo ze-vacuum kufanele lenyuke ngokufanelekile, futhi inani lezimbobo zokubumba kufanele lenyuke.
Nciphisa i-groove kulayini.
10, Ishidi langaphambi kokwelula ukungalingani
(1) Ugqinsi lweshidi alulingani. Izimo zenqubo yokukhiqiza zizolungiswa ukuze kulawulwe ukujiya okufanayo kweshidi. Lapho kushisa kwakhiwa, kuzokwenziwa kancane kancane
Ukushisisa.
(2) Ishidi lishiswa ngokulinganayo. Hlola i-heater kanye nesikrini esivikelayo ukuze uthole umonakalo.
(3) Indawo yokukhiqiza inomoya omkhulu wokugeleza. Indawo yokusebenza izovikelwa.
(4) Umoya ocindezelweyo usatshalaliswa ngokungalingani. Isisabalalisi somoya sizosethwa endaweni yokungena komoya yebhokisi elinwebekayo ngaphambili ukwenza ukuvunguza komoya okufanayo.
11. Udonga olusekhoneni luncane kakhulu
(1) Ukukhetha okungalungile kwenqubo yokwenza. Inqubo yokusiza ipulaki yokwandisa umoya ingasetshenziswa.
(2) Ishidi lincane kakhulu. Kuzosetshenziswa amashidi aminyene.
(3) Ishidi lishisisa ngokulinganayo. Isistimu yokushisisa kufanele ihlolwe futhi izinga lokushisa lengxenye ukwenza ikhoneni lomkhiqizo lizoba phansi. Ngaphambi kokucindezela, dweba imigqa enqamulayo eshidini ukuze ubone ukugeleza kwezinto ngesikhathi sokwakheka, ukuze ulungise izinga lokushisa lokushisa.
(4) Izinga lokushisa elingalingani. Izolungiswa kahle ukuze ifane.
(5) Ukukhetha okungalungile kwezinto zokusetshenziswa zokukhiqiza. Izinto ezingavuthiwe zizoshintshwa
12. Ukujiya okungalingani komphetho
(1) Ukulawula izinga lokushisa kwesikhunta okungafanele. Izolungiswa ngendlela efanele.
(2) Ukulawulwa okungalungile kokushisa kweshidi lokushisa. Izolungiswa ngendlela efanele. Ngokuvamile, ukushuba okungalingani kulula ukwenzeka ekushiseni okuphezulu.
(3) Ukulawulwa kwejubane lokubumba okungalungile. Izolungiswa ngendlela efanele. Ekwakhekeni kwangempela, ingxenye enwetshiwe ekuqaleni futhi incitshwe ipholiswa ngokushesha
Kodwa-ke, ubude buyancipha, ngaleyo ndlela kunciphisa umehluko wokuqina. Ngakho-ke, ukuphambuka kokuqina kodonga kungalungiswa ngezinga elithile ngokulungisa isivinini sokwenza.
13, Ubukhulu bodonga olungalingani
(1) Ishidi liyancibilika futhi ligoqeke kakhulu. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① I-resin enezinga eliphansi lokuncibilika kokuncibilika isetshenziselwa ukwenza ifilimu, futhi isilinganiso somdwebo sikhuphuka ngokufanelekile.
② Inqubo yokudonsa i-vacuum esheshayo noma inqubo yokudonsa umoya yokukhulisa umoya iyamukelwa.
③ Inetha elivikelayo lisetshenziselwa ukulawula izinga lokushisa phakathi kweshidi.
(2) Ubukhulu beshidi obungalingani. Inqubo yokukhiqiza izolungiswa ukuze kulawulwe ukujiya okufanayo kweshidi.
(3) Ishidi lishisisa ngokulinganayo. Inqubo yokushisisa izothuthukiswa ukuze yenze ukushisa kusabalaliswe ngokulinganayo. Uma kunesidingo, i-air distributor nezinye izinsiza zingasetshenziswa; Hlola ukuthi i-elementi ngayinye yokushisisa isebenza ngokujwayelekile yini.
(4) Kukhona ukugeleza komoya okukhulu nxazonke zempahla. Indawo yokusebenza izovikelwa ukuze kuvinjwe ukuhamba kwegesi.
(5) Izinga lokushisa lesikhunta liphansi kakhulu. Isikhunta kufanele sishiswe ngokulinganayo kuze kufike ezingeni lokushisa elifanele futhi isistimu yokupholisa isikhunta kufanele ihlolwe ukuvinjelwa.
(6) Shelelisa ishidi kude nohlaka lokunamathisela. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Lungisa ukucindezelwa kwengxenye ngayinye yohlaka lokuqinisa ukuze wenze amandla okubamba afane.
② Hlola ukuthi ubukhulu beshidi bufana yini, futhi ishidi elinogqinsi olufanayo lizosetshenziswa.
③ Ngaphambi kokubopha, shisisa ifreyimu yokubopha ibe izinga lokushisa elifanele, futhi izinga lokushisa elizungeze uhlaka lokubopha kufanele lifane.
14, Ukuqhekeka kwekhona
(1) Ukugxilisa ingqondo ekhoneni. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Khulisa ngokufanelekile irediyasi ye-arc ekhoneni.
② Khulisa ngokufanelekile izinga lokushisa lokushisa kweshidi.
③ Khulisa kahle izinga lokushisa lesikhunta.
④ Ukupholisa okunensayo kungaqalwa kuphela ngemva kokuba umkhiqizo usuwakheke ngokugcwele.
⑤ Ifilimu ye-resin ene-high stress cracking resistance isetshenziswa.
⑥ Engeza izigxivizo emakhoneni emikhiqizo.
(2) Ukwakheka kwesikhunta okungekuhle. Ifa lizolungiswa ngokuhambisana nesimiso sokunciphisa ukugxila kwengcindezi.
15. I-Adhesion plunger
(1) Izinga lokushisa lensimbi yokusiza i-plunger liphezulu kakhulu. Izoncishiswa ngokufanele.
(2) Ingaphezulu le-plunger yokhuni aligcotshwanga nge-ejenti yokukhulula. Ijazi elilodwa lamafutha noma ijazi elilodwa le-Teflon coating lizofakwa.
(3) Indawo ye-plunger ayisongwe ngoboya noma ngendwangu kakotini. I-plunger izosongwa ngendwangu yoboya bekotini noma ingubo yokulala
16, Ukunamathela kufa
(1) Izinga lokushisa lomkhiqizo liphezulu kakhulu ngesikhathi sokudilizwa. Izinga lokushisa lesikhunta kufanele lincishiswe kancane noma isikhathi sokupholisa kufanele sinwetshwe.
(2) Umthambeka onganele wokubhidliza isikhunta. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Khulisa ukwehla kwesikhunta.
② Sebenzisa isikhunta sowesifazane ukwakha.
③ Dala ngokushesha ngangokunokwenzeka. Uma umkhiqizo ungapholiswanga ngaphansi kwezinga lokushisa lokuphulukisa ngesikhathi sokudilizwa, isikhunta sokupholisa singasetshenziselwa izinyathelo ezengeziwe ngemva kokudilizwa.
Kuhle.
(3) Kunemifantu efasiteleni, okubangela ukunamathela kokufa. Izindlela ezilandelayo zingasetshenziswa ukuqeda:
① Uhlaka lokubhidliza lusetshenziselwa ukusiza ukubhidliza.
② Khulisa umfutho womoya wokudiliza umoya.
③ Zama ukukhipha ngokushesha ngangokunokwenzeka.
(4) Umkhiqizo unamathela esikhunjeni sokhuni. Ubuso besikhunta sokhuni bungambozwa ngesendlalelo se-ejenti yokukhulula noma bufuthwe ngongqimba lwe-polytetrafluoroethylene.
Penda.
(5) Ingaphezulu lesikhunta simaholoholo. Izophucuzwa
Isikhathi sokuthumela: Oct-28-2021